VA Math not Mathing?: Learn How - Practitioners Community Care

22 Nov

22Nov

Calculating combined disability ratings using VA Math starts with understanding that the VA views each new disability in terms of its impact on your remaining efficiency. For example, if you have a 30% disability, the VA considers you 70% efficient.

To begin the calculation process:1. List your disabilities from highest to lowest percentage.
2. Start with your highest rated disability.
3. Subtract that percentage from 100% to get your remaining efficiency.
4. Apply the next highest disability percentage to your remaining efficiency.
5. Continue this process for all your rated disabilities.For example, if you have disabilities rated at 50%, 30%, and 20%:

Start with 50%: 100% – 50% = 50% efficiency remaining

– Apply 30% to the remaining 50%: 30% of 50% = 15% efficiency remaining

– Subtract 15% from 50%: 50% – 15% = 35% efficiency remaining

– Apply 20% to the remaining 35%: 20% of 35% = 7% efficiency remaining– Subtract 7% from 35%: 35% – 7% = 28% efficiency remaining

Your combined rating would be 100% – 28% = 72%, which rounds to 70%.

The VA Combined Ratings Table simplifies the complex calculations of VA Math. Here’s how to use it:1. Find your highest disability rating in the left column.
2. Locate your next highest rating along the top row.
3. The number where these two intersect is your combined rating for those two disabilities.
4. If you have more than two disabilities, use this new combined rating to find the intersection with your next highest disability.
5. Repeat until all disabilities are accounted for.
6. Round the final number to the nearest 10%.

For example, using the ratings 50%, 30%, and 20%: 1. Find 50 in the left column and 30 along the top. The intersection is 65. 2. Now find 65 in the left column and 20 along the top. The intersection is 72. 3. Round 72 to 70%, which is your final combined rating.

Table I—Combined Ratings Table[10 combined with 10 is 19]
	10	20	30	40	50	60	70	80	90
19	27	35	43	51	60	68	76	84	92
20	28	36	44	52	60	68	76	84	92
21	29	37	45	53	61	68	76	84	92
22	30	38	45	53	61	69	77	84	92
23	31	38	46	54	62	69	77	85	92
24	32	39	47	54	62	70	77	85	92
25	33	40	48	55	63	70	78	85	93
26	33	41	48	56	63	70	78	85	93
27	34	42	49	56	64	71	78	85	93
28	35	42	50	57	64	71	78	86	93
29	36	43	50	57	65	72	79	86	93
30	37	44	51	58	65	72	79	86	93
31	38	45	52	59	66	72	79	86	93
32	39	46	52	59	66	73	80	86	93
33	40	46	53	60	67	73	80	87	93
34	41	47	54	60	67	74	80	87	93
35	42	48	55	61	68	74	81	87	94
36	42	49	55	62	68	74	81	87	94
37	43	50	56	62	69	75	81	87	94
38	44	50	57	63	69	75	81	88	94
39	45	51	57	63	70	76	82	88	94
40	46	52	58	64	70	76	82	88	94
41	47	53	59	65	71	76	82	88	94
42	48	54	59	65	71	77	83	88	94
43	49	54	60	66	72	77	83	89	94
44	50	55	61	66	72	78	83	89	94
45	51	56	62	67	73	78	84	89	95
46	51	57	62	68	73	78	84	89	95
47	52	58	63	68	74	79	84	89	95
48	53	58	64	69	74	79	84	90	95
49	54	59	64	69	75	80	85	90	95
50	55	60	65	70	75	80	85	90	95
51	56	61	66	71	76	80	85	90	95
52	57	62	66	71	76	81	86	90	95
53	58	62	67	72	77	81	86	91	95
54	59	63	68	72	77	82	86	91	95
55	60	64	69	73	78	82	87	91	96
56	60	65	69	74	78	82	87	91	96
57	61	66	70	74	79	83	87	91	96
58	62	66	71	75	79	83	87	92	96
59	63	67	71	75	80	84	88	92	96
60	64	68	72	76	80	84	88	92	96
61	65	69	73	77	81	84	88	92	96
62	66	70	73	77	81	85	89	92	96
63	67	70	74	78	82	85	89	93	96
64	68	71	75	78	82	86	89	93	96
65	69	72	76	79	83	86	90	93	97
66	69	73	76	80	83	86	90	93	97
67	70	74	77	80	84	87	90	93	97
68	71	74	78	81	84	87	90	94	97
69	72	75	78	81	85	88	91	94	97
70	73	76	79	82	85	88	91	94	97
71	74	77	80	83	86	88	91	94	97
72	75	78	80	83	86	89	92	94	97
73	76	78	81	84	87	89	92	95	97
74	77	79	82	84	87	90	92	95	97
75	78	80	83	85	88	90	93	95	98
76	78	81	83	86	88	90	93	95	98
77	79	82	84	86	89	91	93	95	98
78	80	82	85	87	89	91	93	96	98
79	81	83	85	87	90	92	94	96	98
80	82	84	86	88	90	92	94	96	98
81	83	85	87	89	91	92	94	96	98
82	84	86	87	89	91	93	95	96	98
83	85	86	88	90	92	93	95	97	98
84	86	87	89	90	92	94	95	97	98
85	87	88	90	91	93	94	96	97	99
86	87	89	90	92	93	94	96	97	99
87	88	90	91	92	94	95	96	97	99
88	89	90	92	93	94	95	96	98	99
89	90	91	92	93	95	96	97	98	99
90	91	92	93	94	95	96	97	98	99
91	92	93	94	95	96	96	97	98	99
92	93	94	94	95	96	97	98	98	99
93	94	94	95	96	97	97	98	99	99
94	95	95	96	96	97	98	98	99	99

(Authority: 38 U.S.C. 1155)

Comments

	10	20	30	40	50	60	70	80	90
19	27	35	43	51	60	68	76	84	92
20	28	36	44	52	60	68	76	84	92
21	29	37	45	53	61	68	76	84	92
22	30	38	45	53	61	69	77	84	92
23	31	38	46	54	62	69	77	85	92
24	32	39	47	54	62	70	77	85	92
25	33	40	48	55	63	70	78	85	93
26	33	41	48	56	63	70	78	85	93
27	34	42	49	56	64	71	78	85	93
28	35	42	50	57	64	71	78	86	93
29	36	43	50	57	65	72	79	86	93
30	37	44	51	58	65	72	79	86	93
31	38	45	52	59	66	72	79	86	93
32	39	46	52	59	66	73	80	86	93
33	40	46	53	60	67	73	80	87	93
34	41	47	54	60	67	74	80	87	93
35	42	48	55	61	68	74	81	87	94
36	42	49	55	62	68	74	81	87	94
37	43	50	56	62	69	75	81	87	94
38	44	50	57	63	69	75	81	88	94
39	45	51	57	63	70	76	82	88	94
40	46	52	58	64	70	76	82	88	94
41	47	53	59	65	71	76	82	88	94
42	48	54	59	65	71	77	83	88	94
43	49	54	60	66	72	77	83	89	94
44	50	55	61	66	72	78	83	89	94
45	51	56	62	67	73	78	84	89	95
46	51	57	62	68	73	78	84	89	95
47	52	58	63	68	74	79	84	89	95
48	53	58	64	69	74	79	84	90	95
49	54	59	64	69	75	80	85	90	95
50	55	60	65	70	75	80	85	90	95
51	56	61	66	71	76	80	85	90	95
52	57	62	66	71	76	81	86	90	95
53	58	62	67	72	77	81	86	91	95
54	59	63	68	72	77	82	86	91	95
55	60	64	69	73	78	82	87	91	96
56	60	65	69	74	78	82	87	91	96
57	61	66	70	74	79	83	87	91	96
58	62	66	71	75	79	83	87	92	96
59	63	67	71	75	80	84	88	92	96
60	64	68	72	76	80	84	88	92	96
61	65	69	73	77	81	84	88	92	96
62	66	70	73	77	81	85	89	92	96
63	67	70	74	78	82	85	89	93	96
64	68	71	75	78	82	86	89	93	96
65	69	72	76	79	83	86	90	93	97
66	69	73	76	80	83	86	90	93	97
67	70	74	77	80	84	87	90	93	97
68	71	74	78	81	84	87	90	94	97
69	72	75	78	81	85	88	91	94	97
70	73	76	79	82	85	88	91	94	97
71	74	77	80	83	86	88	91	94	97
72	75	78	80	83	86	89	92	94	97
73	76	78	81	84	87	89	92	95	97
74	77	79	82	84	87	90	92	95	97
75	78	80	83	85	88	90	93	95	98
76	78	81	83	86	88	90	93	95	98
77	79	82	84	86	89	91	93	95	98
78	80	82	85	87	89	91	93	96	98
79	81	83	85	87	90	92	94	96	98
80	82	84	86	88	90	92	94	96	98
81	83	85	87	89	91	92	94	96	98
82	84	86	87	89	91	93	95	96	98
83	85	86	88	90	92	93	95	97	98
84	86	87	89	90	92	94	95	97	98
85	87	88	90	91	93	94	96	97	99
86	87	89	90	92	93	94	96	97	99
87	88	90	91	92	94	95	96	97	99
88	89	90	92	93	94	95	96	98	99
89	90	91	92	93	95	96	97	98	99
90	91	92	93	94	95	96	97	98	99
91	92	93	94	95	96	96	97	98	99
92	93	94	94	95	96	97	98	98	99
93	94	94	95	96	97	97	98	99	99
94	95	95	96	96	97	98	98	99	99

	10	20	30	40	50	60	70	80	90
19	27	35	43	51	60	68	76	84	92
20	28	36	44	52	60	68	76	84	92
21	29	37	45	53	61	68	76	84	92
22	30	38	45	53	61	69	77	84	92
23	31	38	46	54	62	69	77	85	92
24	32	39	47	54	62	70	77	85	92
25	33	40	48	55	63	70	78	85	93
26	33	41	48	56	63	70	78	85	93
27	34	42	49	56	64	71	78	85	93
28	35	42	50	57	64	71	78	86	93
29	36	43	50	57	65	72	79	86	93
30	37	44	51	58	65	72	79	86	93
31	38	45	52	59	66	72	79	86	93
32	39	46	52	59	66	73	80	86	93
33	40	46	53	60	67	73	80	87	93
34	41	47	54	60	67	74	80	87	93
35	42	48	55	61	68	74	81	87	94
36	42	49	55	62	68	74	81	87	94
37	43	50	56	62	69	75	81	87	94
38	44	50	57	63	69	75	81	88	94
39	45	51	57	63	70	76	82	88	94
40	46	52	58	64	70	76	82	88	94
41	47	53	59	65	71	76	82	88	94
42	48	54	59	65	71	77	83	88	94
43	49	54	60	66	72	77	83	89	94
44	50	55	61	66	72	78	83	89	94
45	51	56	62	67	73	78	84	89	95
46	51	57	62	68	73	78	84	89	95
47	52	58	63	68	74	79	84	89	95
48	53	58	64	69	74	79	84	90	95
49	54	59	64	69	75	80	85	90	95
50	55	60	65	70	75	80	85	90	95
51	56	61	66	71	76	80	85	90	95
52	57	62	66	71	76	81	86	90	95
53	58	62	67	72	77	81	86	91	95
54	59	63	68	72	77	82	86	91	95
55	60	64	69	73	78	82	87	91	96
56	60	65	69	74	78	82	87	91	96
57	61	66	70	74	79	83	87	91	96
58	62	66	71	75	79	83	87	92	96
59	63	67	71	75	80	84	88	92	96
60	64	68	72	76	80	84	88	92	96
61	65	69	73	77	81	84	88	92	96
62	66	70	73	77	81	85	89	92	96
63	67	70	74	78	82	85	89	93	96
64	68	71	75	78	82	86	89	93	96
65	69	72	76	79	83	86	90	93	97
66	69	73	76	80	83	86	90	93	97
67	70	74	77	80	84	87	90	93	97
68	71	74	78	81	84	87	90	94	97
69	72	75	78	81	85	88	91	94	97
70	73	76	79	82	85	88	91	94	97
71	74	77	80	83	86	88	91	94	97
72	75	78	80	83	86	89	92	94	97
73	76	78	81	84	87	89	92	95	97
74	77	79	82	84	87	90	92	95	97
75	78	80	83	85	88	90	93	95	98
76	78	81	83	86	88	90	93	95	98
77	79	82	84	86	89	91	93	95	98
78	80	82	85	87	89	91	93	96	98
79	81	83	85	87	90	92	94	96	98
80	82	84	86	88	90	92	94	96	98
81	83	85	87	89	91	92	94	96	98
82	84	86	87	89	91	93	95	96	98
83	85	86	88	90	92	93	95	97	98
84	86	87	89	90	92	94	95	97	98
85	87	88	90	91	93	94	96	97	99
86	87	89	90	92	93	94	96	97	99
87	88	90	91	92	94	95	96	97	99
88	89	90	92	93	94	95	96	98	99
89	90	91	92	93	95	96	97	98	99
90	91	92	93	94	95	96	97	98	99
91	92	93	94	95	96	96	97	98	99
92	93	94	94	95	96	97	98	98	99
93	94	94	95	96	97	97	98	99	99
94	95	95	96	96	97	98	98	99	99

	10	20	30	40	50	60	70	80	90
19	27	35	43	51	60	68	76	84	92
20	28	36	44	52	60	68	76	84	92
21	29	37	45	53	61	68	76	84	92
22	30	38	45	53	61	69	77	84	92
23	31	38	46	54	62	69	77	85	92
24	32	39	47	54	62	70	77	85	92
25	33	40	48	55	63	70	78	85	93
26	33	41	48	56	63	70	78	85	93
27	34	42	49	56	64	71	78	85	93
28	35	42	50	57	64	71	78	86	93
29	36	43	50	57	65	72	79	86	93
30	37	44	51	58	65	72	79	86	93
31	38	45	52	59	66	72	79	86	93
32	39	46	52	59	66	73	80	86	93
33	40	46	53	60	67	73	80	87	93
34	41	47	54	60	67	74	80	87	93
35	42	48	55	61	68	74	81	87	94
36	42	49	55	62	68	74	81	87	94
37	43	50	56	62	69	75	81	87	94
38	44	50	57	63	69	75	81	88	94
39	45	51	57	63	70	76	82	88	94
40	46	52	58	64	70	76	82	88	94
41	47	53	59	65	71	76	82	88	94
42	48	54	59	65	71	77	83	88	94
43	49	54	60	66	72	77	83	89	94
44	50	55	61	66	72	78	83	89	94
45	51	56	62	67	73	78	84	89	95
46	51	57	62	68	73	78	84	89	95
47	52	58	63	68	74	79	84	89	95
48	53	58	64	69	74	79	84	90	95
49	54	59	64	69	75	80	85	90	95
50	55	60	65	70	75	80	85	90	95
51	56	61	66	71	76	80	85	90	95
52	57	62	66	71	76	81	86	90	95
53	58	62	67	72	77	81	86	91	95
54	59	63	68	72	77	82	86	91	95
55	60	64	69	73	78	82	87	91	96
56	60	65	69	74	78	82	87	91	96
57	61	66	70	74	79	83	87	91	96
58	62	66	71	75	79	83	87	92	96
59	63	67	71	75	80	84	88	92	96
60	64	68	72	76	80	84	88	92	96
61	65	69	73	77	81	84	88	92	96
62	66	70	73	77	81	85	89	92	96
63	67	70	74	78	82	85	89	93	96
64	68	71	75	78	82	86	89	93	96
65	69	72	76	79	83	86	90	93	97
66	69	73	76	80	83	86	90	93	97
67	70	74	77	80	84	87	90	93	97
68	71	74	78	81	84	87	90	94	97
69	72	75	78	81	85	88	91	94	97
70	73	76	79	82	85	88	91	94	97
71	74	77	80	83	86	88	91	94	97
72	75	78	80	83	86	89	92	94	97
73	76	78	81	84	87	89	92	95	97
74	77	79	82	84	87	90	92	95	97
75	78	80	83	85	88	90	93	95	98
76	78	81	83	86	88	90	93	95	98
77	79	82	84	86	89	91	93	95	98
78	80	82	85	87	89	91	93	96	98
79	81	83	85	87	90	92	94	96	98
80	82	84	86	88	90	92	94	96	98
81	83	85	87	89	91	92	94	96	98
82	84	86	87	89	91	93	95	96	98
83	85	86	88	90	92	93	95	97	98
84	86	87	89	90	92	94	95	97	98
85	87	88	90	91	93	94	96	97	99
86	87	89	90	92	93	94	96	97	99
87	88	90	91	92	94	95	96	97	99
88	89	90	92	93	94	95	96	98	99
89	90	91	92	93	95	96	97	98	99
90	91	92	93	94	95	96	97	98	99
91	92	93	94	95	96	96	97	98	99
92	93	94	94	95	96	97	98	98	99
93	94	94	95	96	97	97	98	99	99
94	95	95	96	96	97	98	98	99	99